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Greasemonkey VS ConstellationDev

Compare Greasemonkey VS ConstellationDev and see what are their differences

JackHamr
AI agents that spec, build, test, and ship code โ€” with voice chat, deep GitHub integration, and zero LLM markup. featured
Contents:
  1. ยป Base Details
  2. ยป Reviews
  3. ยป Alternatives

Greasemonkey logo Greasemonkey

Customize the way a web page displays or behaves, by using small bits of JavaScript.

ConstellationDev logo ConstellationDev

Codebase Understanding for AI Coding Agents
  • Greasemonkey Landing page
    Landing page //
    2021-09-17
  • ConstellationDev Code Graph Visualizations
    Code Graph Visualizations //
    2026-04-12

AI coding agents waste most of their context window grepping files and guessing at code structure. Constellation gives them a persistent, team-wide knowledge graph of your codebase (symbol search, dependency graphs, impact analysis) delivered via MCP so every token goes toward reasoning, not discovery.

Greasemonkey

Website
greasespot.net
$ Details
Platforms
-
Release Date
-
Edit details

ConstellationDev

Website
constellationdev.io
$ Details
freemium $29.99 / Monthly (Starter)
Platforms
Windows MacOS Linux
Release Date
2026 March
Startup details
Country
United States
State
Colorado
Founder(s)
Bobby Bonestell, Patrick Clody
Employees
1 - 9
Edit details

Greasemonkey features and specs

  • Customization
    Greasemonkey allows users to customize the appearance and functionality of a website by injecting JavaScript code, offering a high degree of personalization.
  • User Community
    A large community of users and developers contributes to a vast library of scripts, enabling users to easily find and install scripts that meet their needs.
  • Open Source
    As an open-source project, Greasemonkey encourages transparency and collaboration, allowing developers to contribute and improve the functionality of the extension.
  • Cross-Platform Compatibility
    Greasemonkey scripts are compatible with most modern browsers through various extensions, allowing scripts to work across different systems.

Possible disadvantages of Greasemonkey

  • Security Risks
    Scripts can potentially contain malicious code, leading to security vulnerabilities if users install scripts from untrusted sources.
  • Script Maintenance
    Users may need to maintain or update scripts themselves, especially when websites update their layout or functionality, causing existing scripts to break.
  • Limited Browser Support
    While Greasemonkey is primarily designed for Firefox, users of other browsers might need to use alternative extensions like Tampermonkey, which may not support all features of Greasemonkey.
  • Learning Curve
    Users who wish to create or modify scripts need a good understanding of JavaScript, which may pose a challenge to those less familiar with coding.

ConstellationDev features and specs

No features have been listed yet.

Category Popularity

0-100% (relative to Greasemonkey and ConstellationDev)

Greasemonkey

ConstellationDev

Browser Extensions
100 100%
Browser Extensions
0% 0
Vibe Coding
0 0%
Vibe Coding
100% 100
Dark Mode
100 100%
Dark Mode
0% 0
AI
0 0%
AI
100% 100

User comments

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Social recommendations and mentions

Based on our record, Greasemonkey seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Greasemonkey mentions (1)

  • Auto-redirect from English to Simple English if such an article exist in Simple English
    // ==UserScript== // @name Wikipedia Redirect // @namespace https://greasespot.net // @version 0.1 // @description Redirect from English Wikipedia to Simple English Wikipedia if the page exists // @author Noname // @match https://en.wikipedia.org/wiki/* // @grant none // ==/UserScript== (function() { 'use strict'; let currentURL = window.location.href; let... Source: over 3 years ago

ConstellationDev mentions (0)

We have not tracked any mentions of ConstellationDev yet. Tracking of ConstellationDev recommendations started around Apr 2026.

What are some alternatives?

When comparing Greasemonkey and ConstellationDev, you can also consider the following products

Violentmonkey - Violentmonkey is a userscript manager to support running userscripts in web pages.

CodeMap4AI - AI tools guess less when they see the full picture. CodeMap4AI builds a structured map of your codebase. Try it free.

Tampermonkey - Greasemonkey compatible script manager.

Sourcegraph - Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.

Userscripts - An open-source userscript editor for Safari.

Greasy Fork - A site for user scripts.

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